#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
#include <cmath>

int main() {
    int a = 6;
    for (double y = a; y >= -a; y--) {
        for (double x = -a; x <= a; x++) {
            double d = x * x + y * y - a * a;
            std::cout << (d <= 0.0 ? "*" : " ");
        }
        std::cout << std::endl;
    }
    for (double y = -a; y <= a; y++) {
        for (double x = -a; x <= a; x++) {
            double d = x * x + y * y - a * a;
            std::cout << (d <= 0.0 ? "*" : " ");
        }
        std::cout << std::endl;
    }
    return 0;
}